A way for fugitive slaves to escape to Canada.
Many of the families in the Great Depression lost their homes because they had no money to pay rent. Many families resulted in selling everything just to have some cash and moving to government set up Hoovervilles. Other families in Oklahoma were stricken with drought and dust, The Dust Bowl, that they were forced to move to California or somewhere else in the search for money and jobs.
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1. malaria 2. rivers had terrible waterfalls..too dangerous...until the steam engine was invented it was incredibly dangerous 3. deserts....they didn't know how to travel through the deserts and find an oasis which made it very difficult to travel through
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